If you disagree with a formal warning from your employer, respond in writing and substantiate which facts are incorrect. You do not have to sign the content by way of agreement. Ask for your response to be included in the personnel file and keep following reasonable work instructions. A warning is not a dismissal, but it can later become part of a dismissal file.
You may unexpectedly be handed a letter during a conversation. It says that you refused work, are underperforming or treated a colleague wrongly. The manager asks whether you will sign immediately. It is precisely then that it helps to keep receipt, agreement and a substantive response apart. You can take the letter away and assess calmly what is actually being alleged.
This article helps you determine how to respond to a warning, which evidence is relevant and when legal help is sensible. For broader questions about your position you can turn to our page on employment law.
What is a formal warning at work?
A formal warning is a communication with which an employer addresses you about particular conduct or performance and usually states what improvement it expects. Often this is done in writing, for instance by letter or e-mail. A conversation can also contain a warning, but it more readily gives rise later to a dispute about the precise content.
The statute does not have one obligatory standard form or a general rule that every warning must meet exactly the same requirements. Your contract, the collective agreement, the staff handbook and the circumstances can impose additional requirements. Good employership (article 7:611 of the Dutch Civil Code), a careful investigation of the facts and proportionality play an important role.
The word formal does not make the facts described proven. A warning can be incorrect, incomplete or out of proportion. Conversely, a letter is not automatically meaningless because a formal element is missing. What matters is the content, the context and the consequences the employer wants to attach to it.
Do you have to sign a formal warning?
You do not have to declare that you agree with an allegation if that is not so. So read what is stated directly above the signature. Signing for receipt can mean something different from signing by way of agreement, acknowledgement of the allegation or consent to a measure.
| Wording | Possible meaning | Sensible response |
|---|---|---|
| For receipt | Confirmation that you have received the document | Check that agreement is not also being asked for anywhere |
| By way of agreement | Consent to the content or to arrangements | Only sign once you understand and accept what you are agreeing to |
| Read and understood | Can give rise to a dispute about the scope | Where there is disagreement, add a clear written explanation |
| No signature | No signed confirmation | Respond to the content after all and keep the letter |
Merely not signing is not a substantive defence. The employer can usually include the warning in the file without your signature too. So send a separate response. If you have already signed, explain quickly what you meant by that signature and which parts you dispute. The wording and the circumstances remain relevant.
When is a warning unjustified or insufficiently substantiated?
A warning deserves critical assessment where it remains unclear what exactly you did. General accusations about a negative attitude or poor cooperation say little without concrete events. Ask for dates, examples and the standard you allegedly failed to meet.
Also check the context. Was the instruction known? Did you have the means and the training to do the work properly? Had you reported earlier that a task was unsafe or unworkable? Has account been taken of a change to the roster, illness or an arrangement with another manager?
That colleagues are treated differently can be relevant, but is not automatically decisive. Their circumstances may differ. So substantiate which situations are genuinely comparable. An objective comparison is more useful than the general statement that others do the same.
Examine further whether the response is proportionate. A one-off small mistake, put right immediately, calls for a different weighing from repeated risky conduct after clear instructions. That does not mean that a written warning may never be given for a first incident.
Which documents and facts should you gather?
Start with the warning itself and the documents it refers to. Keep the original e-mail, any attachments and your own response. A screenshot can help, but where possible also keep the full message with the date and sender.
Then draw up a short timeline. Note what happened, who was present, which instruction applied and what you did. Gather rosters, job descriptions, earlier appraisals and relevant messages. Evidence that connects directly with the allegation is more important than a large quantity of unsorted correspondence.
Use only data you may lawfully keep. Do not copy whole client files or confidential personnel folders as a precaution. That can create a new employment-law problem for you. With witnesses, note what they themselves observed and ask whether they are willing to confirm that voluntarily. Let your defence rest on verifiable facts.
How do you object to a warning in writing?
A response works best where it is factual, clear and measured. Start with the date of the warning and state which conclusion you dispute. Then deal with the individual allegations. Distinguish between what you acknowledge, what is incorrect and what information is still missing.
Name concrete documents. Write, for instance, that the roster was changed on Tuesday and that you only received the change on Wednesday. That helps more than the general assertion that the employer always communicates unclearly. Where an allegation is partly justified, you can acknowledge a mistake without accepting all the conclusions.
Then ask for an appropriate solution: withdrawal, correction, a clarifying conversation or the inclusion of your response alongside the warning. Also set out how you wish to continue your work. A substantive challenge can go well together with a willingness to comply with reasonable arrangements.
For an ordinary warning there is usually no general statutory objection period as there is with an administrative decision. The collective agreement or the staff handbook may, however, contain a procedure and a period. In practical terms, respond quickly. If investigation is needed, send an acknowledgement of receipt straight away stating that your substantive response will follow.
Sample letter for an unjustified formal warning
Use this text only after you have filled in the facts and the outcome you want. Leave out general allegations and emotional characterisations.
Dear Sir or Madam,
On [date] I received a formal warning about [subject]. I disagree with [specific allegation or conclusion]. According to the letter I allegedly [description]. In my view the factual course of events was as follows: [short explanation].
In support I refer to [the roster, an e-mail or another attachment]. In addition, your description omits that [relevant circumstance]. Could you state on which concrete facts and on which instruction you base your conclusion?
I ask you to withdraw the warning or to correct the incorrect parts. I also ask you to include this response in full alongside the warning in my personnel file. I remain willing to carry out my work carefully and to make clear arrangements about working together.
I would be glad to receive your written response within [a reasonable period]. With this letter I do not acknowledge the disputed allegations and I do not waive my rights.
Yours faithfully,
[name]
Keep the version you sent and proof of sending. Use a channel by which you can make it plausible that the employer received it. Where there is doubt you can have receipt confirmed or send it additionally in a demonstrable way.
What can you ask about your personnel file?
You can ask which personal data the employer processes about you, and for access to those data. The right of access under the GDPR does not in every situation mean that you simply receive every full internal document. The rights of others and statutory exceptions can also be relevant.
Personal data that are objectively incorrect can qualify for correction. With an appraisal or an opinion the position is more nuanced: the right to rectification does not automatically undo a difference of view. An additional statement in which you record your position can therefore be important.
Ask in writing whether your response will remain permanently linked to the warning. That reduces the risk that a future assessor sees only the employer’s account. If you ask for erasure, explain why the data would be incorrect, no longer necessary or unlawfully processed. The employer must respond to that on the merits within the applicable rules.
How long does a warning remain valid?
There is no general statutory expiry date after which every warning automatically disappears. Sometimes a collective agreement or staff handbook contains a period. The employer may also have expressly agreed that a warning no longer plays a role after a period of good performance.
Its significance for a later dispute depends among other things on the seriousness of the incident, the passage of time, your conduct afterwards and the connection with new events. An old, isolated mistake weighs differently from a repetition of the same problem after clear arrangements.
So the fact that a warning is still in a file does not mean that it may be given the same weight indefinitely. At an evaluation, ask for it to be recorded what improvement has been achieved and whether the matter has been closed. A positive follow-up appraisal can provide important counterweight later.
Do three warnings automatically produce a dismissal?
No. There is no general statutory rule that three warnings automatically give a right to dismissal. The employer must meet the conditions of the ground for dismissal chosen and follow the correct procedure. Counting letters does not replace that test.
With underperformance a clear appraisal, appropriate support and a realistic opportunity to improve can be important. With culpable conduct other questions arise. A serious incident can in some circumstances justify immediate action, while several poorly substantiated warnings together still do not produce a strong ground for dismissal.
If there is criticism of your performance, read our explanation of underperformance and the improvement plan. If you are summarily dismissed, short forfeiture periods apply. Have that assessed immediately; an earlier letter of objection to a warning does not replace proceedings against a dismissal.
What if the warning is connected with illness or a complaint?
An employee can be ill and receive a warning at the same time. Illness does not make every warning invalid. The employer may not, however, simply present medical limitations as unwillingness. Make clear when an allegation is connected with your capacity and, if necessary, ask for an assessment by the company doctor.
If you receive a warning shortly after you complain about discrimination, safety or unwanted conduct, record the sequence of events. Special protective rules may apply. The timing is a reason for investigation, but in itself does not yet prove that there is prohibited detriment.
If the employer is also going to stop your pay, assess that measure separately. A warning does not automatically give a ground for withholding pay. With wage claims and with being placed on non-active duty, rules of their own apply.
When does a conversation help and when are proceedings worthwhile?
A conversation can repair misunderstandings if both parties are willing to discuss the facts. Ask in advance which subjects are on the agenda and make a businesslike summary afterwards. Record not only the criticism, but also the support agreed, the expectations and the moments of evaluation.
Where the relationship has seriously broken down, mediation in a workplace conflict can be considered. Mediation is not an obligatory agreement to leave. Discuss the ground rules in advance and have any termination agreement assessed separately.
Proceedings about withdrawal or erasure can be appropriate where a warning has concrete adverse consequences and discussion produces too little. The costs, the interest at stake and the chance of further escalation must be weighed. Sometimes a well-documented written response is the wisest step for the time being. Sometimes a threatened suspension or dismissal calls for immediate action.
An example from practice of a targeted response
A fictional employee receives a warning for not completing a task. He can show that his manager gave priority halfway through the day to an urgent job. In his response he acknowledges that the original task was not finished, but disputes that he ignored instructions.
He adds the relevant message and asks for the warning to be corrected. In addition he proposes that in future it be confirmed in writing which task takes priority. In that way the dispute about the facts becomes concrete and a workable arrangement for the future arises. Whether the warning must disappear remains dependent on all the circumstances.
Frequently asked questions about formal warnings
Can I refuse a formal warning?
You can dispute the content and refuse to sign by way of agreement. That does not automatically prevent the employer from giving or keeping the warning. So respond in writing to the facts and ask for your position to be included in the file.
Do I agree if I do not respond?
Silence does not automatically mean legal consent. Even so, it can become harder later to explain why you did not object at the time. A timely response records your position and helps prevent a one-sided picture arising.
Must a warning always be in writing?
There is no general rule that every warning can only be given in writing. The collective agreement, the contract or the staff handbook may, however, impose requirements. Recording it in writing is above all important for proof of the allegation, the expectations and the consequences announced.
Is a warning by WhatsApp permitted?
A message by WhatsApp can have meaning as a warning. The content, the sender, the context and any internal procedure determine how it is assessed. Keep the whole conversation and ask for clarification if it is not clear which formal consequences are meant.
Can my employer attach a fine to the warning?
A warning does not automatically give a right to a fine or a deduction. Separate statutory conditions apply to a fine clause in employment law (article 7:650 of the Civil Code), and set-off against your pay is only possible within the limits of article 7:632 of the Civil Code. So have both the clause and its application assessed if you have to pay or receive less salary.
How quickly must I object?
First check whether a collective agreement or staff handbook names a period. For an ordinary warning the administrative-law period of six weeks does not apply as standard. Respond as promptly as is reasonable and announce further investigation if you still need documents.
May I bring someone to the conversation?
Ask in advance whether you can bring an adviser, a trade union representative or another supporter. Whether there is an enforceable right to that depends among other things on the procedure and any arrangements. Record a refusal if support seems necessary in the circumstances.
What if I have already signed by way of agreement?
Have the text and the circumstances assessed. A signature can have evidential value, but its meaning is not always the same. Explain in writing which facts you dispute and whether you signed under time pressure. Do not wait with that until dismissal proceedings begin.
Do I get compensation for an unjustified warning?
That does not follow automatically from the warning being incorrect. There must be an appropriate legal basis and relevant loss or another entitlement must be substantiated. Withdrawal, correction and restoration of the file can be more important first.
When should I instruct a lawyer?
Do that where dismissal is threatened, with serious accusations, with wage measures or with an accumulation of warnings. A warning following a report of discrimination or of a lack of safety can also call for additional assessment. Bring the letter and your most important pieces of evidence.
Have your warning and your response assessed
Arslan Advocaten can test the warning, sharpen your response and advise on next steps. Get in touch if you want to know what the letter means for your position at work. Also state whether a conversation, a suspension or a dismissal proposal has been announced for the near future.
Legal sources
- Dutch Civil Code Book 7, among others articles 611, 650 and 669: good employership, fine clauses and grounds for dismissal. See wetten.overheid.nl.
- General Data Protection Regulation, among others articles 12, 15, 16 and 17 on requests, access, rectification and erasure.
- Het Juridisch Loket on responding to a formal warning.
The consequences of a warning differ from case to case. Your contract, the collective agreement, the internal procedure and the concrete facts must be assessed together.